.user-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 500;
  user-select: none;
  transition: all 0.3s ease;

  &-circle {
    border-radius: 50%;
  }

  &-square {
    border-radius: 4px;
  }

  // 悬停效果
  &:hover {
    opacity: 0.9;
  }
}
